New paths for Wayland sockets (Re: Enabling Android-style per application user ids)
ppaalanen at gmail.com
Fri Nov 3 10:47:39 UTC 2017
On Fri, 3 Nov 2017 11:04:27 +0100 (CET)
Jan Engelhardt <jengelh at inai.de> wrote:
> On Friday 2017-11-03 10:37, Pekka Paalanen wrote:
> >> Summary of (individual) proposals follows.
> >> >- modify WAYLAND_DISPLAY to support absolute paths which overrides
> >> > any search paths
> >> - introduce new WAYLAND_SOCKET
> >> - modify WAYLAND_DISPLAY to reject '/'
> >What would be the functional difference to WAYLAND_DISPLAY accepting
> >absolute paths? Why would a different environment variable make a
> Well because you cannot establish for certain that people have or have not
> already used WAYLAND_DISPLAY=/newsock in the concatenation sense.
> (Depending on who you ask and how much weight they give to it,
> breaking application interfaces is out of the question. That's all.)
Ah, that, ok. I thought this was about the security stuff you referred
to. But given the same rationale, we cannot forbid / in WAYLAND_DISPLAY
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